/* 全局公共样式 */
html,body {
    overflow-y: overlay !important;
    background: #F5F7F9;
    width: 100%;
    height: 100%;
    min-width: 1200px;
    margin: 0;
    padding: 0;
}
@mixin fl($flex, $js, $align) {
    display: $flex;
    justify-content: $js;
    align-items: $align;
}